What is React, and how does closure work in JavaScript?

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Accepted Answer

React is a JavaScript library for building user interfaces. Closure in JavaScript is when a function has access to variables in its outer scope even after the function has finished executing.

React is a popular JavaScript library for building user interfaces.
It allows developers to create reusable UI components.
Closure in JavaScript is when a function retains access to variables from its outer scope even after the function has finished executing.
Example: function outerFunction() { let outerVariable = 'I am outer'; function innerFunction() { console.log(outerVariable); } return innerFunction; } const closureExample = outerFunction(); closureExample(); // Output: 'I am outer'

What is React, and how does closure work in JavaScript?

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